package ehui;

public class Cal {
	@Myannotation(before = "加法执行前输出")
	public int add(int a, int b) {
		return a + b;
	}

	@Myannotation(before = "减法执行前输出", after = "减法执行后输出")
	public int subtract(int a, int b) {
		return a - b;
	}

}
